// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package jodd.json;

/**
 * Implementation of {@link CharsInput} over the {@code CharSequence}.
 */
final class CharSequenceInput extends CharsInput {

	private final CharSequence input;

	CharSequenceInput(final CharSequence input) {
		super(input.length());
		this.input = input;
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public final char charAt(final int index) {
		return input.charAt(index);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public final char charAtNdx() {
		return input.charAt(ndx);
	}

	/**
	 * {@inheritDoc}
	 */
	@Override
	public final CharSequence subSequence(final int start, final int end) {
		return input.subSequence(start, end);
	}

	@Override
	public String subString(final int start, final int end) {
		return input.subSequence(start, end).toString();
	}
}
